// copy to vben-admin

const toString = Object.prototype.toString;

export const is = (val, type) => {
  return toString.call(val) === `[object ${type}]`;
};

export const isDef = (val) => {
  return typeof val !== "undefined";
};

export const isUnDef = (val) => {
  return !isDef(val);
};

export const isObject = (val) => {
  return val !== null && is(val, "Object");
};

export const isEmpty = (val) => {
  if (val === null) {
    return true;
  }
  if (isArray(val) || isString(val)) {
    return val.length === 0;
  }

  if (val instanceof Map || val instanceof Set) {
    return val.size === 0;
  }

  if (isObject(val)) {
    return Object.keys(val).length === 0;
  }

  return false;
};

export const isDate = (val) => {
  return is(val, "Date");
};

export const isNull = (val) => {
  return val === null;
};

export const isNullAndUnDef = (val) => {
  return isUnDef(val) && isNull(val);
};

export const isNullOrUnDef = (val) => {
  return isUnDef(val) || isNull(val);
};

export const isNumber = (val) => {
  return is(val, "Number");
};

export const isPromise = (val) => {
  return (
    is(val, "Promise") &&
    isObject(val) &&
    isFunction(val.then) &&
    isFunction(val.catch)
  );
};

export const isString = (val) => {
  return is(val, "String");
};

export const isFunction = (val) => {
  return typeof val === "function";
};

export const isBoolean = (val) => {
  return is(val, "Boolean");
};

export const isRegExp = (val) => {
  return is(val, "RegExp");
};

export const isArray = (val) => {
  return val && Array.isArray(val);
};

export const isWindow = (val) => {
  return typeof window !== "undefined" && is(val, "Window");
};

export const isElement = (val) => {
  return isObject(val) && !!val.tagName;
};

export const isMap = (val) => {
  return is(val, "Map");
};

export const isServer = typeof window === "undefined";

export const isClient = !isServer;

export const isUrl = (path) => {
  const reg =
    /(((^https?:(?:\/\/)?)(?:[-:&=\+\$,\w]+@)?[A-Za-z0-9.-]+(?::\d+)?|(?:www.|[-:&=\+\$,\w]+@)[A-Za-z0-9.-]+)((?:\/[\+~%\/.\w-_]*)?\??(?:[-\+=&%@.\w_]*)#?(?:[\w]*))?)$/;
  return reg.test(path);
};

export const isDark = () => {
  return window.matchMedia("(prefers-color-scheme: dark)").matches;
};

// 是否是图片链接
export const isImgPath = (path) => {
  return /(https?:\/\/|data:image\/).*?\.(png|jpg|jpeg|gif|svg|webp|ico)/gi.test(
    path,
  );
};

export const isEmptyVal = (val) => {
  return val === "" || val === null || val === undefined;
};
